18681232

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:595

約数の個数: 40

約数和(自身を含む): 38642616

約数和(自身を除く): 19961384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 173, 272, 346, 397, 692, 794, 1384, 1588, 2768, 2941, 3176, 5882, 6352, 6749, 11764, 13498, 23528, 26996, 47056, 53992, 68681, 107984, 137362, 274724, 549448, 1098896, 1167577, 2335154, 4670308, 9340616, 18681232]

約数ペア:

[(1, 18681232), (2, 9340616), (4, 4670308), (8, 2335154), (16, 1167577), (17, 1098896), (34, 549448), (68, 274724), (136, 137362), (173, 107984), (272, 68681), (346, 53992), (397, 47056), (692, 26996), (794, 23528), (1384, 13498), (1588, 11764), (2768, 6749), (2941, 6352), (3176, 5882)]